AZ® Instrument Corp.

Precise Measurements. Confident Growing.

AZ Instrument Corp. (est. 1991) is a Taiwanese instrument-maker specialising in professional-grade measurement tools, including pH/EC pens, PAR meters, hygrometers, data loggers, and water quality testers, trusted globally for accuracy and durability.

Their range helps growers monitor vital environmental parameters, such as reservoir pH/EC/TDS, light intensity, temperature, and humidity, to optimise plant health and prevent yield-robbing mistakes. Key products include waterproof pH and EC pens with rugged IP65-rated housings, Bluetooth-enabled data loggers, and full-spectrum PAR meters for accurate light measurement.

At Hydro Oasis, we value AZ Instrument for its engineering precision, ISO-calibrated reliability, and grower-focused design. When you're tracking key metrics or fine-tuning your environment, AZ tools give you the confidence that comes from knowing every reading matters.